Wall charger



FIG. 1 is a perspective view showing a wall charger.

FIG. 2 is a front view of a wall charger.

FIG. 3 is a rear view of a wall charger.

FIG. 4 is a top view of a wall charger.

FIG. 5 is a bottom view of a wall charger.

FIG. 6 is a side view of a wall charger; and,

FIG. 7 is a side view of a wall charger.

The broken lines present in the drawings illustrate portions of the article which from no part of the claimed design. 

CLAIM The ornamental design for a wall charger, as shown and described. 